EP1176144A1 - Neue N-Triazolylmethyl-Piperazinderivate als Neurokininrezeptor-Antagonisten - Google Patents
Neue N-Triazolylmethyl-Piperazinderivate als Neurokininrezeptor-Antagonisten Download PDFInfo
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- EP1176144A1 EP1176144A1 EP01117433A EP01117433A EP1176144A1 EP 1176144 A1 EP1176144 A1 EP 1176144A1 EP 01117433 A EP01117433 A EP 01117433A EP 01117433 A EP01117433 A EP 01117433A EP 1176144 A1 EP1176144 A1 EP 1176144A1
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- lower alkyl
- alkyl
- hetero
- optionally
- phenyl
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/14—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing three or more hetero rings
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
- C07D403/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings
- C07D403/06—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
- A61P1/04—Drugs for disorders of the alimentary tract or the digestive system for ulcers, gastritis or reflux esophagitis, e.g. antacids, inhibitors of acid secretion, mucosal protectants
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
- A61P1/06—Anti-spasmodics, e.g. drugs for colics, esophagic dyskinesia
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
- C07D403/14—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing three or more hetero rings
Definitions
- the present invention relates to new neurokinin receptor antagonistic effective 2-indolylmethyl-piperazine derivatives, which on a nitrogen of the piperazine backbone are substituted by a triazolylmethyl radical.
- the invention further relates to these new N-triazolylmethyl-piperazine derivatives medicines containing them. Furthermore concerns the invention a method for producing the new Piperazine derivatives and intermediates of this process.
- EP 0 899 270 A1 describes 2-indolylmethyl-piperazine derivatives with one of the compounds of the present invention described different substitution patterns, which have neurokinin receptor antagonistic properties.
- EP 0 655 442 A1 describes further 2-indolylmethyl-piperazine derivatives with one to the connections of the present invention different substitution patterns known to those generally on tachykinin, neurokinin A or Neurokinin B also attributed antagonistic properties and which are considered suitable to influence the CNS.
- NK neurokinin -
- NK-1 receptor antagonistic properties and its effect is preferably developed in the peripheral area. Accordingly, the group of compounds according to the invention appears particularly suitable for the treatment of by NK-1 induced peripheral disorders, especially for treatment of functional and inflammatory disorders of the gastrointestinal Tract.
- substituents in the compounds of formula I mean or contain lower alkyl or alkoxy groups, these can be straight-chain or branched and 1 to Contain 4 carbon atoms. If the substituents are halogen contain, especially fluorine, chlorine or bromine, preferably fluorine or chlorine in question.
- substituents of the compounds of formula I Mean or contain cyclo (hetero) alkyl, this can for are pure carbocycles, or can also be carbocycles, wherein each 1 to 3 ring carbon atoms by nitrogen, Oxygen and / or sulfur are replaced. nitrogen and oxygen are preferred as heteroatoms.
- Substituents of the compounds of formula I (hetero) phenyl mean or contain, this can be phenyl, or can also be phenyl, each having 1 to 3 ring carbon atoms are replaced by nitrogen. Unless the substituents of the compounds of the formula I are heterophenyl or contain, this is phenyl, in each case 1 to 3 ring carbon atoms are replaced by nitrogen.
- R 1 preferably represents hydrogen. If R 1 is lower alkyl, methyl is preferred.
- R 2 preferably represents lower alkyl, especially methyl, ethyl, isopropyl or tert-butyl; for di-lower alkylamino lower alkyl, in particular dimethylaminoethyl or dimethylamino-n-propyl; for lower alkoxycarbonyl-lower alkyl, especially ethoxycarbonylmethyl; for cyclo (hetero) alkyl with 5 to 6 ring atoms which is optionally substituted simply by lower alkyl, in particular methyl, in particular for optionally substituted cyclopentyl, cyclohexyl or piperidinyl; for heterophenyl-lower alkyl optionally mono- or disubstituted by lower alkyl, in particular methyl, or by lower alkoxy, in particular methoxy, in the heterophenyl ring, in particular for optionally substituted pyridyl; or for phenyl-C 2 -C 4 -alkyl which is
- R 3 is preferably lower alkyl, especially methyl, ethyl or isopropyl; or for lower alkoxycarbonyl-lower alkyl, especially ethoxycarbonylmethyl.
- Preferred compounds of the formula I are those in which R 2 and R 3 do not simultaneously mean isobutyl.
- R 4 is preferably hydrogen; for lower alkyl, especially methyl or isopropyl; for lower alkoxy lower alkyl, especially methoxymethyl; for lower alkoxycarbonyl-lower alkyl, especially ethoxycarbonylmethyl; for di-lower alkylamino lower alkyl, especially dimethylaminoethyl; for (hetero) phenyl optionally substituted simply by lower alkyl, in particular methyl, or by lower alkoxy, in particular methoxy, in particular for optionally substituted phenyl, pyridyl, pyrimidyl or pyrazolyl; for (hetero) phenyl ring optionally substituted by halogen, lower alkyl, in particular methyl, or by lower alkoxy, in particular methoxy, (hetero) phenyl-lower alkyl, in particular for optionally substituted benz
- R 5 is preferably hydrogen; for lower alkyl, especially methyl; or for lower alkoxy lower alkyl, especially methoxymethyl.
- n stands for an integer from 1 to 3. If R 4 and R 5 are both hydrogen and A is simultaneously methylene, n is preferably 2 or 3.
- the substituents R 4 and R 5 of group a can be attached to any ring atom of the group, including the ring atoms formed by A, which are not oxygen. If a ring atom of group a is substituted by R 4 or R 5 , R 4 or R 5 takes the place of a hydrogen atom which is otherwise present in the same place, so that the usual bond values of the ring atoms of group a are retained. If A is methylidene, its double bond is preferably formed with the adjacent carbon in the 3-position of group a, which in this case also forms a methylidene group.
- Preferred compounds of the formula I are those in which an optionally present group a is pyrrolidine substituted by R 4 and R 5 , where R 4 and R 5 are not both hydrogen at the same time, or in which an optionally present group a is in each case represented by R 4 and R 5 substituted 2,5-dihydropyrrole, piperidine, piperazine, morpholine or diazepane.
- a secondary amino function a substituted piperazine derivative of the formula II with an N, N-disubstituted azidobutinamine of the formula III are implemented to obtain a compound of formula I.
- A is particularly preferred Mixture of ethyl acetate and DMF.
- Suitable reaction temperatures are between room temperature and the boiling temperature of the solvent or the solvent mixture.
- Compounds of formula III can be prepared by using a compound of general formula VI, in which R 2 and R 3 have the meanings given above and in which Y represents a leaving group which can be split off, with an alkali metal azide, preferably sodium azide, in a manner known per se for the formation of azide.
- R 2 and R 3 have the meanings given above and in which Y represents a leaving group which can be split off, with an alkali metal azide, preferably sodium azide, in a manner known per se for the formation of azide.
- Halogen Y in particular chlorine, is particularly suitable as a leaving group Y, or sulfonyloxy groups which form good leaving groups, for example lower alkanesulfonyloxy such as methanesulfonyloxy, or benzenesulfonyloxy such as p-toluenesulfonyloxy which is optionally substituted in the benzene ring by halogen or lower alkyl, are suitable.
- Compounds of formula VI can be prepared by combining a compound of formula V with a compound of general formula VII, where Y has the above meaning, implemented in a manner known per se. Compounds of formula VI obtained can, if desired, still be purified. For purification, compounds of the formula VI can, for example, be converted into suitable salts, such as oxalates, and purified by crystallization processes known per se. The aforementioned salts of the compounds of formula VI can also be used directly for further reactions.
- a piperazine-N-butynazide of the formula IV can be reacted with a secondary amine of the formula V in order to obtain a compound of the formula I.
- the secondary amine of the formula V itself for example morpholine, can be used as solvent in a preferred process variant.
- a suitable reaction temperature must be chosen depending on the secondary amine of formula V used. If the amine of the formula V is liquid or solid at room temperature, it is usually possible to work at temperatures between room temperature and the boiling point of conventional solvents, for example up to about 100 ° C. If volatile amines of the formula V are used, for example dimethylamine or diethylamine, it is expedient to work at low temperatures, for example between -78 ° C. and -10 ° C. and preferably at elevated pressure, for example at 1.5 to 3 bar. Reactions under elevated pressure can be carried out in autoclaves known per se.
- amines of the formula V are used which have additional functional groups which are reactive under the reaction conditions - for example a second secondary amino function if piperazine is used - these additional functional groups are expediently blocked by protective groups known per se.
- Suitable protective groups which can be introduced by methods known per se and later split off again by methods known per se, are known, for example, from the publications mentioned in process variant a). If piperazine is used as the amine of the formula V, the tert-butoxycarbonyl group is preferred as the protective group. The person skilled in the art can select suitable protective groups in each case by routine methods.
- Compounds of the formula IV are new compounds which are suitable as intermediates for the preparation of new active compounds, for example for the preparation of the compounds of the formula I.
- the compounds of formula IV can be prepared by using compounds of general formula VIII, wherein R 1 and Y have the above meanings, with an alkali metal azide, preferably sodium azide, in a manner known per se for azide formation.
- the compounds of formula I can be known per se Isolated from the reaction mixture and purified become. Acid addition salts can be added in the usual way free bases are transferred and these can, if desired in a known manner in physiologically acceptable acid addition salts be transferred.
- physiologically acceptable salts of compounds of the formula I their salts come with inorganic acids, for example sulfuric acid, phosphoric acids or hydrohalic acids, preferably hydrochloric acid, or with organic acids, for example lower aliphatic Mono-, di- or tricarboxylic acids such as maleic acid, fumaric acid, Lactic acid, tartaric acid, citric acid, or with sulfonic acids, for example lower alkanesulfonic acids such as methanesulfonic acid or optionally in the benzene ring by halogen or lower Alkyl substituted benzenesulfonic acids such as p-toluenesulfonic acid, in question.
- inorganic acids for example sulfuric acid, phosphoric acids or hydrohalic acids, preferably hydrochloric acid
- organic acids for example lower aliphatic Mono-, di- or tricarboxylic acids such as maleic acid, fumaric acid, Lactic acid, tartaric acid, citric acid, or with
- a preferred salt of a compound of Formula I is the (2R) -1- [3,5-bis (trifluoromethyl) benzoyl] -2- (1H-indol-3-ylmethyl) -4 - ⁇ [5- (morpholinomethyl) -2H-1,2, 3-triazol-4-yl] methyl ⁇ piperazine dihydrochloride, since it's comparatively is well soluble in water.
- the compounds of formula I contain in any case chiral carbon atom, namely the 1H-indol-3-yl-methyl radical bearing carbon atom in the 2-position of the piperazine backbone.
- the compounds of formula I can thus exist in several stereoisomeric forms.
- the invention encompasses both the mixtures of optical isomers and also the isomerically pure compounds of formula I.
- Preferred are compounds of the formula I in which the indolylmethyl radical is arranged in the 2R position of the piperazine ring. If at the synthesis of the compounds of formula I mixtures optical Isomers of the starting compound, for example the compounds of formula II or the compounds of formula IV used are, the compounds of formula I in Obtained form of mixtures of optical isomers.
- stereochemically uniform compounds of the formula I can optically from the mixtures Isomers are obtained in a manner known per se, e.g. B. by chromatographic separation on chiral separation materials or by reaction with suitable optically active acids, for example tartaric acid or camphor-10-sulfonic acid, and subsequent separation into the optically active antipodes by fractional crystallization of the obtained diastereomeric salts.
- suitable optically active acids for example tartaric acid or camphor-10-sulfonic acid
- the 1,2,3-triazole ring exist in several tautomeric forms, so that the hydrogen atom to different atoms of the 1,2,3-triazole ring can be bound.
- the compounds of formula I all possible tautomers of the triazole ring.
- the group of compounds according to the invention stands out through a particularly favorable active profile, which is characterized by a high selective affinity for NK-1 receptors. Furthermore, the invention is distinguished Group of connections through good tolerability too over longer application periods and by a comparative good oral bioavailability.
- NK-1 receptors Because of their active profile and their selective and reversible Binding capacity to NK-1 receptors is suitable the group of compounds according to the invention in particular for Inhibition of processes that bind to NK-1 receptors Neurokinins like substance P are involved. Thus are suitable the compounds selectively for the treatment of disease states, which substance P is involved in. Substance P plays a role in pain transmission, Emesis, neurogenic inflammation, bladder inflammation, inflammatory Joint diseases and asthmatic complaints. Because of the advantageous way to the peripheral area the action profile of the compounds is suitable for the treatment of peripheral pathological disorders, especially for the treatment of functional and inflammatory Disorders in the gastrointestinal tract.
- IBS irritable bowel syndrome
- irritable bowel syndrome Lower intestinal disorders.
- Significant symptoms IBS are pelvic pain due to hypersensitivity of the visceral afferent nervous system seem, and abnormalities in bowel movements, especially abnormal accelerated passage of the chair in the colon.
- the increased visceral Pain sensitivity to mechanical or chemical Irritation in the intestinal tract causes IBS patients even with physiological digestive low Stretches of the colon, e.g. B. even with low gas formation and slight bloating that is barely noticed by healthy people experience severe visceral pain.
- IBD inflammatory bowel disease
- the action profile of the connections is characterized by comparatively good oral bioavailability with a favorable selectivity of the neurokinin receptor antagonistic Effects in particular on Therapy approaches targeting the peripheral area are undesirable Side effects. So in dose ranges, that block the NK-1 receptor in pharmacological tests no cardiovascular calcium antagonistic effect detected. Furthermore, of the invention Connections are assumed to be no significant develop central nervous side effects.
- test substances The sample numbers given in the pharmacological Tests used as test substances compounds refer to the manufacturing examples described below.
- the affinity of the test substances for human NK-1 receptors is measured in vitro.
- the inhibition of the Binding of the physiological neurokinin ( substance P) Neurokinin-1 receptors.
- the affinity for human NK-1 receptors was determined in each case by one-time measurement of the test substances in a concentration of 10 -7 mol / l. In this test model, all of the aforementioned test substances showed a displacement of the physiological NK receptor ligand substance P of ⁇ 75%.
- the compounds of Examples 1, 8-15, 17-29, 34-47, 49-55, 57, 59-60 and 62-65 each showed a displacement of ⁇ 90%.
- the pK i value is a measure of the affinity of the test substances for human NK-1 receptors. In this test model, the test substances listed in Table 1 below showed the pK i values given:
- the NK-1 receptor antagonistic effect of the test substances was isolated on, in an oxygenated nutrient solution Ring preparations of the aorta from Pirbright-White guinea pigs measured in vitro.
- the inhibition of the substance P after stimulation with the NK-1 agonist Tone relaxation of the aortic specimens by the test substances.
- the specimens are fixed on a hook, connected to a force measuring device by a thread, and the contractions are recorded on a pen.
- the aortic preparations are toned with phenylephrine.
- the NK-1 receptors of the preparations are stimulated with 0.01 ⁇ mol substance P before and after the administration of the test substance, whereby relaxation of the tone is brought about.
- the relaxation before and after administration of the test substance is quantified in percent.
- the pEC 50 value is a measure of the functional effectiveness of the test substances at NK-1 receptors. In this test model, the test substances listed in Table 2 below showed the pEC 50 values given:
- guinea pigs are implanted under anesthesia (ketamine 67 mg / kg, xylazine 13 mg / kg) each with a catheter in a common carotid artery and in a jugular vein.
- the arterial catheter is used to measure blood pressure.
- Substance P is administered via the venous access or, if administered intravenously, the test substance is also administered.
- 50 pmol / animal substance P (bolus, iv) is applied as a test stimulus.
- the maximum blood pressure reduction thereby induced is determined as a control for the later stimulation of the NK-1 receptors by the test substance.
- the test substance is then given.
- the test substance is administered in doses of 0.01 to 0.1 ⁇ mol / kg.
- the test substance is administered in doses of 0.1 to 3.2 ⁇ mol / kg.
- Tylose and tylose / ethanol are used as vehicles in the po studies.
- the extent of the reduction in blood pressure inhibited by the test substance is then measured, starting at 1 minute after the test substance administration, up to a duration of 90 minutes after the test substance administration, at intervals of 15 minutes each. From these measured values, those doses are determined as ED 50 values at which a 50% inhibition of the substance P-induced reduction in blood pressure by the test substance occurs, depending on the time.
- Example 1 showed a pED 50 value of 7.6 one hour after iv application.
- the same test substance of Example 1 showed a pED 50 value of 6.2 one hour after po application.
- the compound of Example 6 showed a pED 50 value of 7.0 one hour after iv application.
- test substances are in the same test model also based on calcium antagonistic properties hypotensive effects examined. This will have the effect of the test substances for basal blood pressure.
- the substance of Example 1 showed in the investigated Dose range (IV doses up to 0.1 ⁇ mol / kg and PO doses up to 3.2 ⁇ mol / kg) no significant reduction in blood pressure. This is an indication that there is no calcium antagonistic in this dose range Side effects occurred.
- the low calcium antagonistic Side effects of the invention Connections can also be made using standard in vitro test models, for example on isolated ileum tissue from guinea pigs, prove.
- the compounds of formula I can be used in conventional pharmaceutical Preparations are administered.
- the ones to use Cans can be different and vary individually naturally depending on the type of condition to be treated and the substance used. Generally suitable for Application to humans and larger mammals, however Pharmaceutical forms with an active ingredient content of 0.1 to 80 mg, in particular 1 to 10 mg of active ingredient per single dose.
- the compounds can be used together with usual pharmaceutical auxiliaries and / or carriers in contain solid or liquid pharmaceutical preparations his.
- solid preparations are those that can be administered orally Preparations such as tablets, coated tablets, capsules, powders or called granules or suppositories.
- These preparations can be pharmaceutically customary inorganic and / or organic carriers such as B. talc, milk sugar or Starch, in addition to conventional pharmaceutical auxiliaries, for example Lubricants or tablet disintegrants.
- Liquid preparations such as suspensions or emulsions Active ingredients can be the usual diluents such as water, Oils and / or suspending agents such as polyethylene glycols and the like included. Additional auxiliary substances can also be used be added such. B. preservatives, Taste corrections and the like.
- the active ingredients can be used with the pharmaceutical auxiliary and / or Carriers mixed in a conventional manner and be formulated.
- the active ingredients for example, with the auxiliary and / or Carriers mixed in the usual way and wet or dry be granulated.
- the granules or powder can be directly in Capsules filled or in the usual way to tablet cores be pressed. If desired, these can be known To be coated.
- the compounds of the formula I shown in Table 4 below can be prepared by the above-mentioned automated production process. All of the compounds of the formula I given in Table 4 have the R configuration on the carbon C-2 of the piperazine skeleton which carries the indolylmethyl radical.
- Capsules are made in the following composition per capsule: (2R) -1- [3,5-bis (trifluoromethyl) benzoyl] -2- (1H-indol-3-ylmethyl) -4 - [(5- (morpholinomethyl) -2H-1,2,3-triazole- 4-yl) methyl] piperazine 20 mg corn starch 60 mg lactose 300 mg ethyl acetate qs
- the active ingredient, the corn starch and the milk sugar are processed to a homogeneous pasty mixture with the help of ethyl acetate.
- the paste is crushed and the resulting granulate is placed on a suitable plate and dried at 45 ° C. to remove the solvent.
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Abstract
Description
- R1
- Wasserstoff oder Niederalkyl bedeutet,
- R2
- Niederalkyl, Diniederalkylaminoniederalkyl, Niederalkoxycarbonylniederalkyl, gegebenenfalls ein- oder zweifach durch Niederalkyl substituiertes Cyclo(hetero)alkyl mit 5 - 6 Ringatomen, welches gegebenenfalls 1 - 2 Doppelbindungen enthält, gegebenenfalls im (Hetero)phenylring ein- oder zweifach durch Halogen, Niederalkyl und/oder Niederalkoxy substituiertes (Hetero)phenylniederalkyl, dessen Niederalkylkette gegebenenfalls ein- oder zweifach durch Niederalkyl oder durch Spiro-C4-C5-alkylen substituiert ist, oder im Phenylring gegebenenfalls ein- oder zweifach durch Halogen, Niederalkyl und/oder Niederalkoxy substituiertes Phenylniederalkoxy bedeutet und
- R3
- Niederalkyl, Niederalkoxycarbonylniederalkyl oder gegebenenfalls ein- oder zweifach durch Niederalkyl substituiertes Cyclo(hetero)alkyl mit 5 - 6 Ringatomen bedeutet, oder
- R2 und R3
- gemeinsam mit dem Stickstoff, an welchen sie gebunden
sind, eine cyclische Gruppe der Formel a bilden,
worin
- A
- Stickstoff, Sauerstoff, Methylen oder Methyliden, dessen Doppelbindung gemeinsam mit dem benachbarten Kohlenstoff in 3-Position der Gruppe a gebildet wird, bedeutet,
- n
- eine ganze Zahl von 1 bis 3 bedeutet,
- R4
- Wasserstoff, Niederalkyl, Niederalkoxyniederalkyl, Niederalkoxycarbonyl, Niederalkoxycarbonylniederalkyl, Diniederalkylaminoniederalkyl, gegebenenfalls ein- oder zweifach durch Halogen, Niederalkyl und/oder Niederalkoxy substituiertes (Hetero)phenyl, gegebenenfalls im (Hetero)phenylring einoder zweifach durch Halogen, Niederalkyl und/oder Niederalkoxy substituiertes (Hetero)phenylniederalkyl, dessen Niederalkylkette gegebenenfalls einoder zweifach durch Niederalkyl substituiert ist, Cyclo(hetero)alkyl mit 5 - 6 Ringatomen oder Cyclo(hetero)alkylniederalkyl, dessen Cyclo(hetero)alkylgruppe 5 - 6 Ringatome aufweist, bedeutet und
- R5
- Wasserstoff, Niederalkyl oder Niederalkoxyniederalkyl bedeutet, oder
- R4 und R5
- gemeinsam an ein Kohlenstoff der Gruppe a gebundenes Spiroethylendioxy, an zwei benachbarte Atome der Gruppe a gebundenes C3-C4-Alkylen oder über zwei benachbarte Kohlenstoffe der Gruppe a anelliertes Phenyl bedeuten, oder
- R2 und R3
- gemeinsam mit dem Stickstoff, an welchen sie gebunden sind, einen Pyrrolidinring bilden, welcher zweifach durch jeweils über zwei benachbarte Kohlenstoffatome gebundenes C4-Alkylen substituiert ist,
Zur Reinigung wurden 14,0 g der vorstehend erhaltene Rohverbindung in 80 ml MTBE aufgenommen. Man filtrierte vom ausgefallenen Niederschlag ab und wusch zweimal mit je 100 ml MTBE nach. Die vereinigten Filtrate wurden unter Schutzgasatmosphäre auf 50 °C erwärmt. Zu dieser Vorlage wurde eine 50 °C warme Lösung von 10,0 g Oxalsäure in 40 ml Ethanol zugegeben. Nach Abkühlung auf Raumtemperatur wurde das Reaktionsgemisch noch über Nacht gerührt. Man filtrierte das entstandene Oxalat ab und wusch den Feststoff noch dreimal mit je 20 ml MTBE nach. Es wurden 13,0 g [1-(4-Chlor-2-butin-1-yl)morpholin]-monooxalat erhalten, Fp. = 144 - 146 °C.
Fp. = 192° - 200 °C.
(2R)-1-[3,5-Bis(trifluormethyl)benzoyl]-2-(1H-indol-3-ylmethyl)-4-[(5-(morpholinomethyl) -2H-1,2,3-triazol-4-yl)methyl]piperazin | 20 mg |
Maisstärke | 60 mg |
Milchzucker | 300 mg |
Ethylacetat | q.s. |
Talkuum | 5 mg |
Magnesiumstearat | 5 mg |
Maisstärke | 9 mg |
Claims (9)
- Verbindungen der allgemeinen Formel I, worin
- R1
- Wasserstoff oder Niederalkyl bedeutet,
- R2
- Niederalkyl, Diniederalkylaminoniederalkyl, Niederalkoxycarbonylniederalkyl, gegebenenfalls ein- oder zweifach durch Niederalkyl substituiertes Cyclo(hetero)alkyl mit 5-6 Ringatomen, welches gegebenenfalls 1-2 Doppelbindungen enthält, gegebenenfalls im (Hetero)phenylring ein- oder zweifach durch Halogen, Niederalkyl und/oder Niederalkoxy substituiertes (Hetero)phenylniederalkyl, dessen Niederalkylkette gegebenenfalls ein- oder zweifach durch Niederalkyl oder durch Spiro-C4-C5-alkylen substituiert ist, oder im Phenylring gegebenenfalls ein- oder zweifach durch Halogen, Niederalkyl und/oder Niederalkoxy substituiertes Phenylniederalkoxy bedeutet und
- R3
- Niederalkyl, Niederalkoxycarbonylniederalkyl oder gegebenenfalls ein- oder zweifach durch Niederalkyl substituiertes Cyclo(hetero)alkyl mit 5-6 Ringatomen bedeutet, oder
- R2 und R3
- gemeinsam mit dem Stickstoff, an welchen sie gebunden
sind, eine cyclische Gruppe der Formel a bilden,
worin
- A
- Stickstoff, Sauerstoff, Methylen oder Methyliden, dessen Doppelbindung gemeinsam mit dem benachbarten Kohlenstoff in 3-Position der Gruppe a gebildet wird, bedeutet,
- n
- eine ganze Zahl von 1 bis 3 bedeutet,
- R4
- Wasserstoff, Niederalkyl, Niederalkoxyniederalkyl, Niederalkoxycarbonyl, Niederalkoxycarbonylniederalkyl, Diniederalkylaminoniederalkyl, gegebenenfalls ein- oder zweifach durch Halogen, Niederalkyl und/oder Niederalkoxy substituiertes (Hetero)phenyl, gegebenenfalls im (Hetero)phenylring einoder zweifach durch Halogen, Niederalkyl und/oder Niederalkoxy substituiertes (Hetero)phenylniederalkyl, dessen Niederalkylkette gegebenenfalls einoder zweifach durch Niederalkyl substituiert ist, Cyclo(hetero)alkyl mit 5-6 Ringatomen oder Cyclo(hetero)alkylniederalkyl, dessen Cyclo(hetero)alkylgruppe 5-6 Ringatome aufweist, bedeutet und
- R5
- Wasserstoff, Niederalkyl oder Niederalkoxyniederalkyl bedeutet, oder
- R4 und R5
- gemeinsam an ein Kohlenstoff der Gruppe a gebundenes Spiroethylendioxy, an zwei benachbarte Atome der Gruppe a gebundenes C3-C4-Alkylen oder über zwei benachbarte Kohlenstoffe der Gruppe a anelliertes Phenyl bedeuten, oder
- R2 und R3
- gemeinsam mit dem Stickstoff, an welchen sie gebunden sind, einen Pyrrolidinring bilden, welcher zweifach durch jeweils über zwei benachbarte Kohlenstoffatome gebundenes C4-Alkylen substituiert ist,
- Verbindungen der allgemeinen Formel I gemäß Anspruch 1, worin
- R1
- Wasserstoff bedeutet,
- R2
- Niederalkyl, Diniederalkylaminoniederalkyl, Niederalkoxycarbonylniederalkyl, gegebenenfalls einfach durch Niederalkyl substituiertes Cyclo(hetero)alkykl mit 5-6 Ringatomen, gegebenenfalls im Heterophenylring einoder zweifach durch Niederalkyl oder Niederalkoxy substituiertes Heterophenylniederalkyl oder im Phenylring ein- oder zweifach durch Niederalkyl oder Niederalkoxy substituiertes Phenyl-C2-C4-alkyl bedeutet und
- R3
- Niederalkyl oder Niederalkoxycarbonylniederalkyl bedeutet, mit der Maßgabe, daß R2 und R3 nicht gleichzeitig für Isobutyl stehen, oder
- R2 und R3
- gemeinsam mit dem Stickstoff, an welchen sie gebunden
sind, eine cyclische Gruppe der Formel a bilden,
worin- n
- eine ganze Zahl von 1 bis 3 bedeutet, mit der Maßgabe, daß n für 2 oder 3 steht, sofern R4 und R5 beide Wasserstoff bedeuten und gleichzeitg A für Methylen steht,
- R4
- Wasserstoff, Niederalkyl, Niederalkoxyniederalkyl, Niederalkoxycarbonylniederalkyl, Diniederalkylaminoniederalkyl, gegebenenfalls einfach durch Niederalkyl oder Niederalkoxy substituiertes (Hetero)phenyl, gegebenenfalls im (Hetero)phenylring einfach durch Halogen, Niederalkyl oder Niederalkoxy substituiertes (Hetero)phenylniederalkyl, Cyclo(hetero)alkyl mit 5-6 Ringatomen oder Cyclo(hetero)alkylniederalkyl, dessen Cyclo(hetero)alkylrest 5-6 Ringatome aufweist, bedeutet und
- R5
- Wasserstoff, Niederalkyl oder Niederalkoxyniederalkyl bedeutet, mit der Maßgabe, daß R4 und R5 nicht an dasselbe Ringatom der Gruppe a gebunden sind, oder
- R4 und R5
- gemeinsam an einen Kohlenstoff der Gruppe a gebundenes Spiroethylendioxy oder an zwei benachbarte Ringatome der Gruppe a gebundenes C3-C4-Alkylen bedeuten.
- Verbindungen der allgemeinen Formel I nach Anspruch 1 oder 2, worin der den 1H-Indol-3-yl-methylrest tragende Kohlenstoff C-2 des Piperazinringes die R-Konfiguration aufweist.
- Verbindungen der allgemeinen Formel I gemäß einem der vorstehenden Ansprüche, worin eine gegebenenfalls vorhandene Gruppe a für durch R4 und R5 substituiertes Pyrrolidin steht, wobei R4 und R5 nicht beide gleichzeitig Wasserstoff bedeuten, oder für jeweils durch R4 und R5 substituiertes 2,5-Dihydropyrrol, Piperidin, Piperazin, Morpholin oder Diazepan steht.
- (2R)-1-[3,5-Bis(trifluormethyl)benzoyl]-2-(1H-indol-3-ylmethyl)-4-{[5-(morpholinomethyl)-2H-1,2,3-triazol-4-yl] methyl}piperazin gemäß Anspruch 4.
- (2R)-1-[3,5-Bis(trifluormethyl)benzoyl]-2-(1H-indol-3-ylmethyl)-4-{[5-(morpholinomethyl)-2H-1,2,3-triazol-4-yl]methyl}piperazin-dihydrochlorid gemäß Anspruch 5.
- Arzneimittel, enthaltend eine pharmakologisch wirksame Menge einer Verbindung gemäß Anspruch 1 und übliche pharmazeutische Hilfs- und/oder Trägerstoffe.
- Verfahren zur Herstellung von Verbindungen der allgemeinen Formel I, worin
- R1
- Wasserstoff oder Niederalkyl bedeutet,
- R2
- Niederalkyl, Diniederalkylaminoniederalkyl, Niederalkoxycarbonylniederalkyl, gegebenenfalls ein- oder zweifach durch Niederalkyl substituiertes Cyclo(hetero)alkyl mit 5-6 Ringatomen, welches gegebenenfalls 1-2 Doppelbindungen enthält, gegebenenfalls im (Hetero)phenylring ein- oder zweifach durch Halogen, Niederalkyl und/oder Niederalkoxy substituiertes (Hetero)phenylniederalkyl, dessen Niederalkylkette gegebenenfalls ein- oder zweifach durch Niederalkyl oder durch Spiro-C4-C5-alkylen substituiert ist, oder im Phenylring gegebenenfalls ein- oder zweifach durch Halogen, Niederalkyl und/oder Niederalkoxy substituiertes Phenylniederalkoxy bedeutet und
- R3
- Niederalkyl, Niederalkoxycarbonylniederalkyl oder gegebenenfalls ein- oder zweifach durch Niederalkyl substituiertes Cyclo(hetero)alkyl mit 5-6 Ringatomen bedeutet, oder
- R2 und R3
- gemeinsam mit dem Stickstoff, an welchen sie gebunden
sind, eine cyclische Gruppe der Formel a bilden,
worin
- A
- Stickstoff, Sauerstoff, Methylen oder Methyliden, dessen Doppelbindung gemeinsam mit dem benachbarten Kohlenstoff in 3-Position der Gruppe a gebildet wird, bedeutet,
- n
- eine ganze Zahl von 1 bis 3 bedeutet,
- R4
- Wasserstoff, Niederalkyl, Niederalkoxyniederalkyl, Niederalkoxycarbonyl, Niederalkoxycarbonylniederalkyl, Diniederalkylaminoniederalkyl, gegebenenfalls ein- oder zweifach durch Halogen, Niederalkyl und/oder Niederalkoxy substituiertes (Hetero)phenyl, gegebenenfalls im (Hetero)phenylring einoder zweifach durch Halogen, Niederalkyl und/oder Niederalkoxy substituiertes (Hetero)phenylniederalkyl, dessen Niederalkylkette gegebenenfalls einoder zweifach durch Niederalkyl substituiert ist, Cyclo(hetero)alkyl mit 5-6 Ringatomen oder Cyclo(hetero)alkylniederalkyl, dessen Cyclo(hetero)alkylgruppe 5-6 Ringatome aufweist, bedeutet und
- R5
- Wasserstoff, Niederalkyl oder Niederalkoxyniederalkyl bedeutet, oder
- R4 und R5
- gemeinsam an ein Kohlenstoff der Gruppe a gebundenes Spiroethylendioxy, an zwei benachbarte Atome der Gruppe a gebundenes C3-C4-Alkylen oder über zwei benachbarte Kohlenstoffe der Gruppe a anelliertes Phenyl bedeuten, oder
- R2 und R3
- gemeinsam mit dem Stickstoff, an welchen sie gebunden sind, einen Pyrrolidinring bilden, welcher zweifach durch jeweils über zwei benachbarte Kohlenstoffatome gebundenes C4-Alkylen substituiert ist,
a) eine Verbindung der allgemeinen Formel II, worin R1 obige Bedeutung besitzt, mit einer Verbindung der allgemeinen Formel III, worin R2 und R3 obige Bedeutungen besitzen, und worin allenfalls vorhandene reaktive Gruppen durch geeignete Schutzgruppen blockiert sind, umsetzt, oder
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DE10036818A DE10036818A1 (de) | 2000-07-28 | 2000-07-28 | Neue N-Triazolylmethyl-Piperazinderivate als Neurokininrezeptor-Antagonisten |
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Cited By (3)
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WO2003084955A1 (en) | 2002-04-04 | 2003-10-16 | Solvay Pharmaceuticals B.V. | Diazabicyclo alkane derivatives with nk1 antagonistic activity |
WO2005000821A1 (en) * | 2003-06-12 | 2005-01-06 | Eli Lilly And Company | Tachykinin receptor antagonists |
WO2008090117A1 (en) | 2007-01-24 | 2008-07-31 | Glaxo Group Limited | Pharmaceutical compositions comprising 3, 5-diamin0-6- (2, 3-dichl0phenyl) -l, 2, 4-triazine or r (-) -2, 4-diamino-5- (2, 3-dichlorophenyl) -6-fluoromethyl pyrimidine and an nk1 |
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MXPA04010625A (es) * | 2002-04-26 | 2004-12-13 | Lilly Co Eli | Antagonista de receptor de taquicinina. |
PE20040600A1 (es) * | 2002-04-26 | 2004-09-15 | Lilly Co Eli | Derivados de triazol como antagonistas del receptor de taquicinina |
US20070082905A1 (en) * | 2005-05-27 | 2007-04-12 | De Vries Michiel H | Pharmaceutical compositions comprising n-triazolymethyl-piperazine compounds and methods of using same |
JP4860696B2 (ja) * | 2005-07-25 | 2012-01-25 | エフ.ホフマン−ラ ロシュ アーゲー | 置換トリアゾール誘導体及びそのニューロキニン3レセプターアンタゴニストとしての使用 |
PE20081229A1 (es) * | 2006-12-01 | 2008-08-28 | Merck & Co Inc | Antagonistas de receptor de orexina de diazepam sustituido |
EP2467159A1 (de) | 2009-08-20 | 2012-06-27 | INSERM (Institut National de la Santé et de la Recherche Médicale) | Vla-4 als biomarker zur prognose und target zur behandlung der duchenne-muskeldystrophie |
ES2672099T3 (es) | 2011-07-04 | 2018-06-12 | Irbm - Science Park S.P.A. | Antagonistas del receptor NK-1 para el tratamiento de la neovascularización corneal |
EP4371613A3 (de) | 2018-02-26 | 2024-07-24 | Ospedale San Raffaele S.r.l. | Verbindungen zur verwendung bei der behandlung von augenschmerzen |
WO2021180885A1 (en) | 2020-03-11 | 2021-09-16 | Ospedale San Raffaele S.R.L. | Treatment of stem cell deficiency |
CN115184498B (zh) * | 2022-07-15 | 2023-02-21 | 山东京卫制药有限公司 | N-Boc-哌嗪中有关物质哌嗪的检测方法 |
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-
2000
- 2000-07-28 DE DE10036818A patent/DE10036818A1/de not_active Withdrawn
-
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